Pinnacle Bancorp, Inc. has filed a Form 13F-HR with the Securities and Exchange Commission, disclosing its equity securities holdings as of the close of business on September 30, 2026. The filing was submitted on October 21, 2026, by Jessica Sheldrick, an Assistant Vice President and Trust Operations Officer for the company.

The report lists a total of 545 individual equity securities held by Pinnacle Bancorp. The largest position disclosed in the portfolio is Amazon.com Inc., for which the filer holds 20,491 shares. Alphabet Inc. Class A shares are the second-largest holding, with 19,736 shares, followed by Apple Computer Inc. with 36,995 shares. Other notable holdings include shares of Berkshire Hathaway Inc. Class B, Costco Wholesale Corp, and Visa Inc.

The portfolio is heavily weighted toward exchange-traded funds (ETFs). The iShares S&P 500 Index Fund (CORE S&P500 ETF) is the largest ETF holding, with 10,734 shares. Other significant ETF positions include the iShares Core U.S. Aggregate Bond Fund, the iShares S&P 500/Barra Growth ETF, and the iShares S&P 500/Barra Value ETF.

The filing also lists a substantial number of individual stock positions across various sectors, including technology, healthcare, energy, and consumer staples. Specific individual stock holdings include shares of UnitedHealth Group, JPMorgan Chase & Co., Microsoft, Eli Lilly and Co., and Procter & Gamble Co.